By Manish Choudhary
These big crocs are super territorial and can be found in Southeast Asia and Northern Australia.
Elephants might look gentle, but they can get really mad, especially if they feel threatened.
Don't be fooled by their size, honey badgers are fierce and will take on anyone or anything.
Found in Africa, these buffaloes are unpredictable and dangerous, especially when they're hurt or trapped.
Hippos may look lazy, but they're very protective of their territory and can be aggressive.
These bears are big and powerful, and they can be really mean, especially when they're hungry.
One of the scariest predators in the ocean, they'll attack if they think you're food.
Lions are the kings of the jungle and can be fierce when they're protecting their pride or territory.